SOLUTION: Please help me to solve this 4+[-1(-2-1)]²

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Question 1087809: Please help me to solve this 4+[-1(-2-1)]²
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
4+[-1(-2-1)]²

4+[-1(-3)]²
4+[3]²
4+9
13

Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
.
4+ [(-1)*(-2-1)]^2 = ( first step is to calculate inside (.) ) =

= 4 + [(-1)*(-3)]^2 = ( next step is to calculate inside [.] ) =

= 4 + [3]^2.

Can you complete the assignment on your own from this point ?